winterkill and oysters

casey lem

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posted 10 years ago

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Does any one know at what temperature blue oyster (pleurotus columbinus) will winterkill? I'm curious w/ this years "polar vortex" if they survived.

"Stranger, you's a tresspassin' on my dirt farm."
-Cletis the slack jawed yokel

John Elliott

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posted 10 years ago

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They probably did. Things that sporulate (bacteria and fungi) are very difficult to "winterkill", at least in the same sense as plants are killed by cold weather. In this reference, cryopreservation was tried on some arbuscular mycorrhizal fungi and the lethal temperature that did them in was -180C. Cryopreservation at -100C was successful, and while it may have felt like it, the polar vortex was nowhere near that cold.

casey lem

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posted 10 years ago

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Thank you, that takes care of my worries about storing substrates in the winter.

"Stranger, you's a tresspassin' on my dirt farm."
-Cletis the slack jawed yokel

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